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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationOberwil BlErmacora AG
Ermacora AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ermacora AG is focused on electrical engineering and the operation of an electrical specialty store. Specifically, this includes: planning and consulting in the field of electrical engineering, installation of electrical systems, communication and lighting solutions, service and repair of electrical devices, sale of electrical articles and accessories in the specialty store, and training and further education of specialized personnel in the field of electrical engineering.

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Products & services

Industry:Electrical Planning & InstallationRetail - Electronic Devices
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Ermacora AG

✓ Offered7
Planning and consulting
Planning of electrical systems, advice on solutions and cost efficiency, development of suitable implementation concepts for home and apartment installations.
Installations
Electrical installations and all electrical work in a house or apartment, carefully planned and designed for comfort, safety and quality of life.
Communication
Telematics and communication solutions, decision-making foundations for telecommunications and IT, needs-based offerings for modern communication.
Lighting
Lighting technology for rooms, objects and surroundings, including garden lighting and various application options.
Service and repairs
Service and repair work on installations, household appliances and lighting fixtures, on site or in our own repair workshop.
Electrical specialist shop
Sale of light sources, coffee machines, lighting fixtures and household appliances, as well as sourcing spare parts and order service.
Assortment
Wide range of household appliances and lighting, with lamp and household appliance brands, as well as ordering items not kept in stock.
Trust & reputation

ranQ Trust Score of Ermacora AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Ermacora AG scores 89.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.85.424%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.96.810%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Ermacora AG scores 92.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
Ermacora AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Ermacora AG scores 45.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ermacora AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 44 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 44 reviews across all connected sources

Sources
GGoogle4.844
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Comparisons

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Location

Hauptstrasse 21
4104 Oberwil Bl
Opening hours
Mon
09:00 - 12:00, 13:30 - 18:30
Tue
09:00 - 12:00, 13:30 - 18:30
Wed
09:00 - 12:00, 13:30 - 18:30
Thu
09:00 - 12:00, 13:30 - 18:30
Fri
09:00 - 12:00, 13:30 - 18:30
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.789.748
Founded
1986 · 40 years
Last commercial register change
February 20, 2024
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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